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<?php |
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namespace SQLParser\Query; |
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use SQLParser\Node\NodeFactory; |
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use SQLParser\Node\Operator; |
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use SQLParser\Node\Reserved; |
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/** |
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* This class has the ability to create instances implementing NodeInterface based on a descriptive array. |
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* |
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* @author David Négrier <[email protected]> |
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*/ |
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class StatementFactory |
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{ |
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public static function toObject(array $desc) |
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{ |
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if (isset($desc['SELECT'])) { |
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$select = new Select(); |
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$columns = array_map(function ($item) { |
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return NodeFactory::toObject($item); |
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}, $desc['SELECT']); |
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$columns = NodeFactory::simplify($columns); |
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$options = []; |
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foreach ($columns as $key => $column) { |
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if ($column instanceof Reserved) { |
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if (strtoupper($column->getBaseExpression()) === 'DISTINCT') { |
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$select->setDistinct(true); |
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} else { |
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$options[] = $column->getBaseExpression(); |
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} |
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unset($columns[$key]); |
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} |
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} |
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$select->setOptions($options); |
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$select->setColumns($columns); |
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if (isset($desc['FROM'])) { |
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$from = NodeFactory::mapArrayToNodeObjectList($desc['FROM']); |
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$select->setFrom($from); |
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} |
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View Code Duplication |
if (isset($desc['WHERE'])) { |
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$where = NodeFactory::mapArrayToNodeObjectList($desc['WHERE']); |
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$where = NodeFactory::simplify($where); |
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$select->setWhere($where); |
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} |
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View Code Duplication |
if (isset($desc['GROUP'])) { |
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$group = NodeFactory::mapArrayToNodeObjectList($desc['GROUP']); |
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$group = NodeFactory::simplify($group); |
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$select->setGroup($group); |
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} |
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View Code Duplication |
if (isset($desc['HAVING'])) { |
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$having = NodeFactory::mapArrayToNodeObjectList($desc['HAVING']); |
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$having = NodeFactory::simplify($having); |
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$select->setHaving($having); |
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} |
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View Code Duplication |
if (isset($desc['ORDER'])) { |
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$order = NodeFactory::mapArrayToNodeObjectList($desc['ORDER']); |
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$order = NodeFactory::simplify($order); |
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$select->setOrder($order); |
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} |
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if (isset($desc['LIMIT'])) { |
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$descLimit = $desc['LIMIT']; |
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//$limit = NodeFactory::toObject($descLimit['limit']); |
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//$limit = NodeFactory::simplify($limit); |
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if (isset($descLimit['rowcount'])) { |
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$select->setLimit(NodeFactory::toLimitNode($descLimit['rowcount'])); |
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} |
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if (isset($descLimit['offset'])) { |
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$select->setOffset(NodeFactory::toLimitNode($descLimit['offset'])); |
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} |
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//$offset = NodeFactory::toObject($descLimit['offset']); |
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//$offset = NodeFactory::simplify($offset); |
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//$select->setOffset($offset); |
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} |
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return $select; |
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} elseif (isset($desc['UNION'])) { |
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$selects = array_map([self::class, 'toObject'], $desc['UNION']); |
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return new Union($selects); |
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} else { |
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throw new \BadMethodCallException('Unknown query'); |
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} |
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} |
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/** |
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* @param array $descLimit |
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* |
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* @return array |
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* |
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* @throws \Exception |
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*/ |
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/*private static function checkLimitDesc(array $descLimit) |
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{ |
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if (count($descLimit) > 2) { |
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throw new \Exception('The limit returned by the SQLParser contains more than 2 items, something might went wrong.'); |
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} |
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return ['offset' => $descLimit['offset'], 'limit' => $descLimit['rowcount']]; |
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}*/ |
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} |
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thecodingmachine /
magic-query
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Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.
You can also find more detailed suggestions in the “Code” section of your repository.